Robtex

Up: 144.74.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 144.74.80.0/21
Down right: 144.74.88.0/21

IP	Type	Hostname
144.74.80.1	A+PTR	kellogg-router-hsrp.rushnet.rpslmc.edu
144.74.80.3	PTR	kellogg-router.rushnet.rpslmc.edu
144.74.80.20	PTR	atr0811.atr.rpslmc.edu
144.74.80.23	PTR	atr07ptrb.atr.rpslmc.edu
144.74.80.32	PTR	atr07nurseb.atr.rpslmc.edu
144.74.80.51	PTR	atr07xxd.atr.rpslmc.edu
144.74.80.64	PTR	0702sata.atr.rpslmc.edu
144.74.80.65	PTR	0705sata.atr.rpslmc.edu
144.74.80.67	PTR	0803natp.atr.rpslmc.edu
144.74.80.80	PTR	0805satc.atr.rpslmc.edu
144.74.80.81	PTR	0802nata.atr.rpslmc.edu
144.74.80.100	A	mft0855.mftpool.rpslmc.edu
144.74.80.112	PTR	atr0805d.atr.rpslmc.edu
144.74.80.200	PTR	dhcp80-1.atr.rpslmc.edu
144.74.81.67	A+PTR	fin44.fin.rpslmc.edu
144.74.81.80	A+PTR	fin57.fin.rpslmc.edu
144.74.81.88	A	tob0175.tob.rpslmc.edu
144.74.81.90	A	tob0193b.tob.rpslmc.edu
144.74.81.106	A	tob0190a.tob.rpslmc.edu
144.74.83.1	A	kellogg-router-hsrp.rushnet.rpslmc.edu
144.74.85.1	A	kellogg-router-hsrp.rushnet.rpslmc.edu
144.74.90.5	PTR	es3810-145tob.tob.rpslmc.edu
144.74.90.20	PTR	atr0078.atr.rpslmc.edu
144.74.90.22	PTR	tob0111a.tob.rpslmc.edu
144.74.90.23	PTR	tob0206.tob.rpslmc.edu
144.74.90.65	A+PTR	fin64.fin.rpslmc.edu
144.74.90.66	A+PTR	tob1050p.is.rpslmc.edu
144.74.90.75	A	tob0293c.fin.rpslmc.edu
144.74.90.76	A	tob0293d.fin.rpslmc.edu
144.74.90.89	PTR	tob0285b.tob.rpslmc.edu
144.74.90.103	PTR	tob0285c.tob.rpslmc.edu
144.74.90.106	PTR	tob0150f.tob.rpslmc.edu
144.74.90.131	PTR	atr0090i.atr.rpslmc.edu
144.74.90.164	PTR	tob0164h.tob.rpslmc.edu
144.74.90.179	PTR	tob0290j.tob.rpslmc.edu
144.74.90.193	PTR	tob0150r.tob.rpslmc.edu
144.74.90.195	PTR	tob0150t.tob.rpslmc.edu
144.74.93.1	A	kellogg-router-hsrp.rushnet.rpslmc.edu
144.74.94.131	A+PTR	wstgt400b.westgt.rpslmc.edu